docs: def delete(cls, resources, background=False, force=False):
          """Delete an ip by deleting the iface"""
          if not isinstance(resources, (list, tuple)):
              resources = [resources]
  
          ifaces = []
          for item in resources:
              try:
                  ip_ = cls.info(item)
              except UsageError:
                  cls.error("Can't find this ip %s" % item)
  
              iface = Iface.info(ip_['iface_id'])
              ifaces.append(iface['id'])
  
          return Iface.delete(ifaces, background)